登录
the grouping of people into different levels or ranks according to their power or importance within a society or system
阶层
the systematic classification of plants and animals, based on their shared characteristics and evolutionary relationships
分类
a taxonomic rank below species that represents a distinct population within a species, exhibiting consistent differences from other populations
亚种
a taxonomic rank used in biological classification that is lower than a tribe and higher than a genus
亚部落
a taxonomic rank below that of subspecies and refers to distinct forms of a species that differ in minor ways
品种
a collection of organisms within a species that have small differences from other similar groups
形式
a taxonomic rank that comes between class and order, and includes one or more related orders
子类
a taxonomic rank that is used to group related orders within a subclass or class of organisms
超目
a taxonomic rank below the order level and above the family level, comprising closely related families of organisms
超家族
a distinct and broad type of habitat or ecological region occupied by various animal species, characterized by specific environmental conditions and biological communities
领域
the collective existence of living organisms and their characteristics, such as growth, reproduction, adaptation, and response to stimuli
生活
the highest taxonomic rank of organisms, above the kingdom level, which groups organisms based on their molecular, biochemical, and structural characteristics
域
the highest taxonomic classification that categorizes organisms, comprising five major biological groups
王国
(biology) any of the groups that plants, animals, etc. with similar characteristics are divided into, which is larger than a species and smaller than a family
属（生物学）
a group that animals, plants, etc. of the same type which are capable of producing healthy offspring with each other are divided into
种类
a method of classification in biology that groups organisms based on their shared characteristics and evolutionary relationships
分支学
something that is considered typical of a person, place, or thing and identifies them
特征
a group of living things that includes all animals, which are multicellular organisms that can move, eat, and reproduce sexually
动物界
a taxonomic category that ranks below the family level and above the genus level, typically consisting of related genera
亚科
a taxonomic rank that comes between a subfamily and a genus, consisting of one or more genera that share certain characteristics
部落
a taxonomic rank used in biological classification that is lower than a genus but higher than a species
亚属
(biology) a taxonomic category below species that has a distinct feature from other groups in the same species
种族
